140102420305 has 16 divisors (see below), whose sum is σ = 177000425280. Its totient is φ = 106165518912.

The previous prime is 140102420291. The next prime is 140102420357. The reversal of 140102420305 is 503024201041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140102420305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478842 + ... + 713788.

It is an arithmetic number, because the mean of its divisors is an integer number (11062526580).

Almost surely, 2^140102420305 is an apocalyptic number.

It is an amenable number.

140102420305 is a deficient number, since it is larger than the sum of its proper divisors (36898004975).

140102420305 is a wasteful number, since it uses less digits than its factorization.

140102420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241248.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 140102420305 its reverse (503024201041), we get a palindrome (643126621346).

The spelling of 140102420305 in words is "one hundred forty billion, one hundred two million, four hundred twenty thousand, three hundred five".